Merge two sorted arrays in-place

Q: Merge two sorted arrays in-place

This question evaluates array manipulation skills and competency in designing in-place, linear-time algorithms for merging sorted sequences while respecting space constraints, and it falls under the Coding & Algorithms domain with a focus on practical application of algorithmic implementation rather than purely theoretical analysis.

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Question

You are given two sorted arrays: nums1 of length m + n with its first m entries initialized and the rest zeros, and nums2 of length n. Merge nums2 into nums1 in non-decreasing order in-place using O(

extra space and O(m + n) time by filling from the end. Discuss and test edge cases such as empty arrays, all elements equal, and when all elements of one array precede the other.

Merge two sorted arrays in-place

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